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Preamplifiers — ModWright Instruments LS 99

Description, images, technical data and specifications

ModWright Instruments LS 99
Image source — © ModWright Instruments

The LS 99 uses the same topology of transformer-coupled inputs and outputs, a tube rectifier, and SS stabilized power supplies with (2) 6922 driver lamps. The power supply is external, but not dual mono, like the LS 300.

Specifications

  • Model name

    LS 99

  • Analog inputs (balanced)

    2

  • Analog inputs (single-ended)

    3

  • Analog outputs (balanced)

    2

  • Analog outputs (single-ended)

    2

  • Gain (dBu)

    11

  • Input sensitivity (mV)

    N/A

  • Output voltage (V)

    N/A

  • Input impedance (balanced) (Ω)

    30 000

  • Input impedance (single-ended) (Ω)

    30 000

  • Output impedance (balanced) (Ω)

    100

  • Output impedance (single-ended) (Ω)

    100

  • Maximum output level (balanced) (dBu)

    N/A

  • Maximum output level (single-ended) (dBu)

    N/A

  • Volume control range (dBu)

    N/A

  • Frequency response low +/- 3dB (Hz)

    20

  • Frequency response high +/- 3dB (Hz)

    150 000

  • Signal to Noise Ratio (SNR, unweighted) (dB)

    N/A

  • Total Harmonic Distortion + Noise (THD+N) (%)

    N/A

  • Dimensions (mm)

    266 × 114 × 76.2

  • Weight (kg)

    7.71

  • Official link

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